290402103 has 8 divisors (see below), whose sum is σ = 392507248. Its totient is φ = 190949184.

The previous prime is 290402087. The next prime is 290402153. The reversal of 290402103 is 301204092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 290402103 - 2⁴ = 290402087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290402103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290402153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662800 + ... + 663237.

It is an arithmetic number, because the mean of its divisors is an integer number (49063406).

Almost surely, 2^290402103 is an apocalyptic number.

290402103 is a deficient number, since it is larger than the sum of its proper divisors (102105145).

290402103 is a wasteful number, since it uses less digits than its factorization.

290402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326113.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 290402103 is about 17041.1884268674. The cubic root of 290402103 is about 662.2163802239.

Adding to 290402103 its reverse (301204092), we get a palindrome (591606195).

The spelling of 290402103 in words is "two hundred ninety million, four hundred two thousand, one hundred three".